S
M
T
W
T
F
S
27
75°
47°
28
73°
48°
29
75°
49°
30
73°
51°
1
93°
60°
2
94°
44°
3
93°
42°
4
93°
44°
5
59°
38°
6
93°
36°
7
94°
51°
8
93°
45°
9
67°
42°
10
94°
46°
11
98°
54°
12
68°
62°
13
76°
54°
14
62°
45°
15
58°
45°
16
53°
35°
17
47°
31°
18
56°
40°
19
60°
45°
20
64°
44°
21
62°
46°
22
59°
45°
23
57°
41°
24
53°
41°
25
52°
34°
26
56°
36°
27
53°
31°
28
44°
30°
29
43°
33°
30
46°
37°
31
53°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in St. Marys
St. Marys's October 2026 forecast shows daily high temperatures ranging from 43° to 76°, with overnight lows between 30° and 62°. The average high for October is 56° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in St. Marys. See also: November | December | January.
